Smart payment speaker



FIG. 1 is a front perspective view of smart payment speaker, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown are included for the purpose of illustrating portions of the smart payment speaker that form no part of the claim. 

CLAIM The ornamental design for a smart payment speaker, substantially as shown and described. 